Flavanols

Flavanols are naturally occurring compounds in plants.

Flavanol substances are primary reference standards with certified absolute purity.

Considering: 

  • chromatographic purity
  • moisture
  • residual solvents
  • inorganic impurities
Flavanols
HPC Standards GmbH
NameCas No
(-)-Catechin18829-70-4
(+)-Catechin154-23-4
Cinchonain Ia85081-24-9
Cinchonain Ib85022-69-1
Dihydrokaempferol480-20-6
Dihydromyricetin27200-12-0
(-)-Epicatechin490-46-0
(-)-Epigallocatechin970-74-1
Gallocatechin1617-55-6
Isosilybin (A + B mixture)72581-71-6
Isosilybin A142796-21-2
Isosilybin B142796-22-3
Silybin (A + B mixture)802918-57-6
Silybin A22888-70-6
Silybin B142797-34-0
Silychristin33889-69-9
Silydianin29782-68-1
(+)-Taxifolin480-18-2
Theaflavin4670-05-7
Theaflavin 3,3′-digallate30462-35-2
Theaflavin 3-gallate30462-34-1
Theaflavin 3′-gallate28543-07-9
NameCas No
Astilbin29838-67-3
Engeletin572-31-6

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